by addyosmani
Production-grade engineering skills for AI coding agents.
# Add to your Claude Code skills
git clone https://github.com/addyosmani/agent-skillsProduction-grade engineering skills for AI coding agents.
Skills encode the workflows, quality gates, and best practices that senior engineers use when building software. These ones are packaged so AI agents follow them consistently across every phase of development.
DEFINE PLAN BUILD VERIFY REVIEW SHIP
┌──────┐ ┌──────┐ ┌──────┐ ┌──────┐ ┌──────┐ ┌──────┐
│ Idea │ ───▶ │ Spec │ ───▶ │ Code │ ───▶ │ Test │ ───▶ │ QA │ ───▶ │ Go │
│Refine│ │ PRD │ │ Impl │ │Debug │ │ Gate │ │ Live │
└──────┘ └──────┘ └──────┘ └──────┘ └──────┘ └──────┘
/spec /plan /build /test /review /ship
7 slash commands that map to the development lifecycle. Each one activates the right skills automatically — you don't need to memorize 18 skill names.
| Command | Phase | What It Does |
|---------|-------|-------------|
| /spec | Define | Write a structured specification before writing code — objectives, constraints, boundaries |
| /plan | Plan | Break a spec into small, verifiable tasks with acceptance criteria and dependency order |
| /build | Build | Implement the next task incrementally — thin vertical slices, test each piece, commit |
| /test | Verify | Run TDD workflow (Red-Green-Refactor). For bugs, use the Prove-It pattern: failing test first |
| /review | Review | Five-axis code review: correctness, readability, architecture, security, performance |
| /code-simplify | Review | Reduce complexity without changing behavior — structural, naming, and redundancy patterns |
| /ship | Ship | Pre-launch checklist: security, performance, accessibility, monitoring, rollback plan |
Skills also activate automatically based on what you're doing — designing an API triggers api-and-interface-design, building UI triggers frontend-ui-engineering, and so on.
Marketplace install:
/install github:addyosmani/agent-skills
Local / development:
git clone https://github.com/addyosmani/agent-skills.git
claude --plugin-dir /path/to/agent-skills
Copy any SKILL.md into .cursor/rules/, or reference the full skills/ directory. See docs/cursor-setup.md.
Add skill contents to your Windsurf rules configuration. See docs/windsurf-setup.md.
</details> <details> <summary><b>GitHub Copilot</b></summary>Use agent definitions from agents/ as Copilot personas and skill content in .github/copilot-instructions.md. See docs/copilot-setup.md.
Skills are plain Markdown - they work with any agen...
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